Home / 7,020.15-9,687.67-3,833.33

Finding the Fourth Proportional to 7,020.15, 9,687.67 and 3,833.33

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Solution

The fourth proportional to 7,020.15, 9,687.67 and 3,833.33 is: 5,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.15 : 9,687.67 = 3,833.33 : x
  2. Step 2: Convert to fraction form
    7,020.15/9,687.67 = 3,833.33/x
  3. Step 3: Cross multiply
    7,020.15x = 9,687.67 × 3,833.33
  4. Step 4: Simplify right side
    7,020.15x = 37,135,978.02
  5. Step 5: Solve for x
    x = 37,135,978.02/7,020.15
  6. Step 6: Final answer
    x = 5,289.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.